2291496543 has 54 divisors (see below), whose sum is σ = 3911786424. Its totient is φ = 1266220512.

The previous prime is 2291496523. The next prime is 2291496551. The reversal of 2291496543 is 3456941922.

2291496543 is a `hidden beast` number, since 2 + 2 + 9 + 14 + 96 + 543 = 666.

It is not a de Polignac number, because 2291496543 - 2⁵ = 2291496511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291496523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 14058180 + ... + 14058342.

Almost surely, 2^2291496543 is an apocalyptic number.

2291496543 is a deficient number, since it is larger than the sum of its proper divisors (1620289881).

2291496543 is an equidigital number, since it uses as much as digits as its factorization.

2291496543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 210 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2291496543 is about 47869.5784710916. The cubic root of 2291496543 is about 1318.3773570383.

The spelling of 2291496543 in words is "two billion, two hundred ninety-one million, four hundred ninety-six thousand, five hundred forty-three".